Riemannian Manifold HMC with fermions
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2024
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| _version_ | 1866909081439043584 |
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| author | Jung, Chulwoo Christ, Norman H. |
| author_facet | Jung, Chulwoo Christ, Norman H. |
| contents | We report on our study of the Riemannian Manifold HMC (RMHMC) algorithm with the mass term for the gauge momenta replaced by rational functions of the gauge covariant Laplace operator. A comparison of HMC and RMHMC on a 2+1+1 flavor dynamical ensemble with lattice spacing a ~0.05fm shows increased rate of change in long distance modes, identified by Wilson flowed energy, per fermion molecular dynamics step. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_13226 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Riemannian Manifold HMC with fermions Jung, Chulwoo Christ, Norman H. High Energy Physics - Lattice We report on our study of the Riemannian Manifold HMC (RMHMC) algorithm with the mass term for the gauge momenta replaced by rational functions of the gauge covariant Laplace operator. A comparison of HMC and RMHMC on a 2+1+1 flavor dynamical ensemble with lattice spacing a ~0.05fm shows increased rate of change in long distance modes, identified by Wilson flowed energy, per fermion molecular dynamics step. |
| title | Riemannian Manifold HMC with fermions |
| topic | High Energy Physics - Lattice |
| url | https://arxiv.org/abs/2401.13226 |